Global Patent Index - EP 2012518 A3

EP 2012518 A3 20100505 - Transfer apparatus and image forming apparatus equipped therewith

Title (en)

Transfer apparatus and image forming apparatus equipped therewith

Title (de)

Übertragungsvorrichtung und damit versehene Bildgebungsvorrichtung

Title (fr)

Appareil de transfert et appareil de formation d'images doté de celui-ci

Publication

EP 2012518 A3 20100505 (EN)

Application

EP 07254523 A 20071121

Priority

JP 2007177145 A 20070705

Abstract (en)

[origin: EP2012518A2] A transfer apparatus for transferring a toner image onto a sheet having: an endless belt; a plurality of rollers for supporting the endless belt around the plurality of rollers; and a discharge section for corona discharging the sheet, wherein the plurality of rollers includes a transfer roller for forming a transfer nip used to transfer the toner image onto the sheet and a separation roller for separating the sheet from the endless belt, and the transfer roller and the separation roller are straight shaped rollers each having a substantially uniform diameter along the longitudinal direction; and wherein at least one of the plurality of rollers other than the transfer roller and the separation roller is formed into a crown shape in which an axially central portion thereof is larger in outer diameter than both end portions thereof.

IPC 8 full level

G03G 15/02 (2006.01)

CPC (source: EP US)

G03G 15/16 (2013.01 - EP US); G03G 2215/00143 (2013.01 - EP US); G03G 2215/1614 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 2012518 A2 20090107; EP 2012518 A3 20100505; CN 101339393 A 20090107; JP 2009015043 A 20090122; US 2009010698 A1 20090108

DOCDB simple family (application)

EP 07254523 A 20071121; CN 200810133017 A 20080704; JP 2007177145 A 20070705; US 94597207 A 20071127